<?php

declare(strict_types=1);

class PrivMsgTheme extends Themelet
{
    public function display_pms(Page $page, $pms)
    {
        global $user;

        $user_cache = [];

        $html = "
			<table id='pms' class='zebra'>
				<thead><tr><th>R?</th><th>Subject</th><th>From</th><th>Date</th><th>Action</th></tr></thead>
				<tbody>";
        foreach ($pms as $pm) {
            $h_subject = html_escape($pm->subject);
            if (strlen(trim($h_subject)) == 0) {
                $h_subject = "(No subject)";
            }
            if (!array_key_exists($pm->from_id, $user_cache)) {
                $from = User::by_id($pm->from_id);
                $user_cache[$pm->from_id] = $from;
            } else {
                $from = $user_cache[$pm->from_id];
            }
            $from_name = $from->name;
            $h_from = html_escape($from_name);
            $from_url = make_link("user/".url_escape($from_name));
            $pm_url = make_link("pm/read/".$pm->id);
            $del_url = make_link("pm/delete");
            $h_date = substr(html_escape($pm->sent_date), 0, 16);
            $readYN = "Y";
            if (!$pm->is_read) {
                $h_subject = "<b>$h_subject</b>";
                $readYN = "N";
            }
            $hb = $from->can(Permissions::HELLBANNED) ? "hb" : "";
            $html .= "<tr class='$hb'>
			<td>$readYN</td>
			<td><a href='$pm_url'>$h_subject</a></td>
			<td><a href='$from_url'>$h_from</a></td>
			<td>$h_date</td>
			<td><form action='$del_url' method='POST'>
				<input type='hidden' name='pm_id' value='{$pm->id}'>
				".$user->get_auth_html()."
				<input type='submit' value='Delete'>
			</form></td>
			</tr>";
        }
        $html .= "
				</tbody>
			</table>
		";
        $page->add_block(new Block("Private Messages", $html, "main", 40, "private-messages"));
    }

    public function display_composer(Page $page, User $from, User $to, $subject="")
    {
        global $user;
        $post_url = make_link("pm/send");
        $h_subject = html_escape($subject);
        $to_id = $to->id;
        $auth = $user->get_auth_html();
        $html = <<<EOD
<form action="$post_url" method="POST">
$auth
<input type="hidden" name="to_id" value="$to_id">
<table style="width: 400px;" class="form">
<tr><th>Subject:</th><td><input type="text" name="subject" value="$h_subject"></td></tr>
<tr><td colspan="2"><textarea style="width: 100%" rows="6" name="message"></textarea></td></tr>
<tr><td colspan="2"><input type="submit" value="Send"></td></tr>
</table>
</form>
EOD;
        $page->add_block(new Block("Write a PM", $html, "main", 50));
    }

    public function display_message(Page $page, User $from, User $to, PM $pm)
    {
        $this->display_composer($page, $to, $from, "Re: ".$pm->subject);
        $page->set_title("Private Message");
        $page->set_heading(html_escape($pm->subject));
        $page->add_block(new NavBlock());
        $page->add_block(new Block("Message from {$from->name}", format_text($pm->message), "main", 10));
    }
}
